def test_carDrive_whenEnoughFuel_shouldDecreaseFuel(self):
make = 'test make'
model = 'test model'
fuel_consumption = 6
fuel_capacity = 60
params = [make, model, fuel_consumption, fuel_capacity]
car = Car(*params)
with self.assertRaises(Exception) as context:
car.drive(100)
self.assertIsNotNone(context.exception)
class CarManagerTests(unittest.TestCase):
def setUp(self):
self.car = Car("a", 'b', 1, 4)
def test_init(self):
self.assertEqual(self.car.make, "a")
self.assertEqual(self.car.model, "b")
self.assertEqual(self.car.fuel_consumption, 1)
self.assertEqual(self.car.fuel_capacity, 4)
def test_make_raises_exception_when_empty(self):
with self.assertRaises(Exception):
self.car.make = ""
def test_model_raises_exception_when_empty(self):
with self.assertRaises(Exception):
self.car.model = ""
def test_fuel_consumption_when_negative_raises_exception(self):
with self.assertRaises(Exception):
self.car.fuel_consumption = -50
def test_fuel_consumption_when_zero_raises_exception(self):
with self.assertRaises(Exception):
self.car.fuel_consumption = 0
def test_fuel_capacity_when_negative_raises_exception(self):
with self.assertRaises(Exception):
self.car.fuel_capacity = -50
def test_fuel_capacity_when_zero_raises_exception(self):
with self.assertRaises(Exception):
self.car.fuel_capacity = 0
def test_refuel_more_than_capacity(self):
self.car.refuel(50)
self.assertEqual(self.car.fuel_amount, self.car.fuel_capacity)
def test_refuel_raises_exception_when_negative(self):
with self.assertRaises(Exception):
self.car.refuel(-50)
def test_drive_more_than_fuel(self):
with self.assertRaises(Exception):
self.car.drive(1000)
def test_drive(self):
self.car.refuel(4)
self.car.drive(400)
self.assertEqual(self.car.fuel_amount, 0)
def test_carDrive_whenNotEnoughFuel_shouldRaise(self):
make = 'test make'
model = 'test model'
fuel_consumption = 6
fuel_capacity = 60
params = [make, model, fuel_consumption, fuel_capacity]
car = Car(*params)
car.refuel(car.fuel_capacity)
distance = 100
car.drive(distance)
expected = car.fuel_capacity - car.fuel_consumption * distance / 100
actual = car.fuel_amount
self.assertEqual(expected, actual)
class CarTest(unittest.TestCase):
def setUp(self):
self.car = Car("a", "b", 1, 4)
def test_init(self):
self.assertEqual(self.car.make, 'a')
self.assertEqual(self.car.model, 'b')
self.assertEqual(self.car.fuel_consumption, 1)
self.assertEqual(self.car.fuel_capacity, 4)
def test_make_empty_raises_exception(self):
with self.assertRaises(Exception):
self.car.make = ''
def test_model_make_empty_raises_exception(self):
with self.assertRaises(Exception):
self.car.make = ''
def test_fuel_consumption_negative_raises_exception(self):
with self.assertRaises(Exception):
self.car.fuel_consumption = -42
def test_fuel_capacity_negative_raises_exception(self):
with self.assertRaises(Exception):
self.car.fuel_capacity = -42
def test_refuel_negative_raises_exception(self):
with self.assertRaises(Exception):
self.car.refuel(-42)
def test_refuel_more_then_capacity(self):
self.car.refuel(42)
self.assertEqual(self.car.fuel_amount, self.car.fuel_capacity)
def test_drive_more_then_fuel(self):
with self.assertRaises(Exception) as exc:
self.car.drive(1000)
self.assertEqual(str(exc.exception),
'You don\'t have enough fuel to drive!')
def test_fuel_amount_after_drive(self):
self.car.refuel(4)
self.car.drive(400)
self.assertEqual(self.car.fuel_amount, 0)
class CarTests(unittest.TestCase):
def setUp(self) -> None:
self.car = Car("name", "model", 1, 3)
def test_init_method(self):
self.assertEqual(self.car.make, "name")
self.assertEqual(self.car.model, "model")
self.assertEqual(self.car.fuel_consumption, 1)
self.assertEqual(self.car.fuel_capacity, 3)
self.assertEqual(self.car.fuel_amount, 0)
def test_make_setter_empty_str_exception(self):
with self.assertRaises(Exception) as context:
self.car.make = ""
self.assertEqual(str(context.exception),
"Make cannot be null or empty!")
def test_make_setter_correct_str(self):
self.car.make = "a"
self.assertEqual(self.car.make, "a")
def test_model_setter_empty_str_exception(self):
with self.assertRaises(Exception) as context:
self.car.model = ""
self.assertEqual(str(context.exception),
"Model cannot be null or empty!")
def test_model_setter_correct_str(self):
self.car.model = "a"
self.assertEqual(self.car.model, "a")
def test_fuel_consumption_zero_value(self):
with self.assertRaises(Exception) as context:
self.car.fuel_consumption = 0
self.assertEqual(str(context.exception),
"Fuel consumption cannot be zero or negative!")
def test_fuel_consumption_negative_value(self):
with self.assertRaises(Exception) as context:
self.car.fuel_consumption = -1
self.assertEqual(str(context.exception),
"Fuel consumption cannot be zero or negative!")
def test_correct_fuel_consumption_value(self):
self.car.fuel_consumption = 2
self.assertEqual(self.car.fuel_consumption, 2)
def test_fuel_capacity_zero_value(self):
with self.assertRaises(Exception) as context:
self.car.fuel_capacity = 0
self.assertEqual(str(context.exception),
"Fuel capacity cannot be zero or negative!")
def test_fuel_capacity_negative_value(self):
with self.assertRaises(Exception) as context:
self.car.fuel_capacity = -1
self.assertEqual(str(context.exception),
"Fuel capacity cannot be zero or negative!")
def test_correct_fuel_capacity_value(self):
self.car.fuel_capacity = 2
self.assertEqual(self.car.fuel_capacity, 2)
def test_fuel_amount_negative_value(self):
with self.assertRaises(Exception) as context:
self.car.fuel_amount = -1
self.assertEqual(str(context.exception),
"Fuel amount cannot be negative!")
def test_fuel_amount_correct_value(self):
self.car.fuel_amount = 1
self.assertEqual(self.car.fuel_amount, 1)
def test_refuel_negative_zero_amount_fuel(self):
with self.assertRaises(Exception) as context:
self.car.refuel(0)
self.assertEqual(str(context.exception),
"Fuel amount cannot be zero or negative!")
def test_max_refuel_amount_equal_capacity(self):
self.car.refuel(100)
self.assertEqual(self.car.fuel_amount, self.car.fuel_capacity)
def test_refuel_amount_less_than_capacity(self):
self.car.refuel(1)
self.assertEqual(self.car.fuel_amount, 1)
def test_drive_more_distance_than_fuel_raise_exception(self):
with self.assertRaises(Exception) as context:
self.car.drive(1)
self.assertEqual(str(context.exception),
"You don't have enough fuel to drive!")
def test_drive_distance_reduce_fuel_amount(self):
self.car.refuel(1)
self.car.drive(100)
self.assertEqual(self.car.fuel_amount, 0)
class TestCar(unittest.TestCase):
make = "TestMake"
model = "TestModel"
fuel_consumption = 5
fuel_capacity = 20
def setUp(self):
self.car = Car(self.make, self.model, self.fuel_consumption,
self.fuel_capacity)
def test_car_make__when_value_is_not_none__expect_to_change_make(self):
self.car.make = "test"
self.assertEqual("test", self.car.make)
def test_car_make__when_value_is_none__expect_exception(self):
with self.assertRaises(Exception) as context:
self.car.make = None
self.assertEqual("Make cannot be null or empty!",
str(context.exception))
def test_car_model__when_value_is_not_none__expect_to_change_model(self):
self.car.model = "test"
self.assertEqual("test", self.car.model)
def test_car_model__when_value_is_none__expect_exception(self):
with self.assertRaises(Exception) as context:
self.car.model = None
self.assertEqual("Model cannot be null or empty!",
str(context.exception))
def test_car_fuel_consumption__when_value_is_above_0__expect_to_change_fuel_consumption(
self):
self.car.fuel_consumption = 2
self.assertEqual(2, self.car.fuel_consumption)
def test_car_fuel_consumption__when_value_is_0__expect_exception(self):
with self.assertRaises(Exception) as context:
self.car.fuel_consumption = 0
self.assertEqual("Fuel consumption cannot be zero or negative!",
str(context.exception))
def test_car_fuel_consumption__when_value_is_below_0__expect_exception(
self):
with self.assertRaises(Exception) as context:
self.car.fuel_consumption = -1
self.assertEqual("Fuel consumption cannot be zero or negative!",
str(context.exception))
def test_car_fuel_capacity__when_value_is_above_0__expect_to_change_fuel_capacity(
self):
self.car.fuel_capacity = 2
self.assertEqual(2, self.car.fuel_capacity)
def test_car_fuel_capacity__when_value_is_0__expect_exception(self):
with self.assertRaises(Exception) as context:
self.car.fuel_capacity = 0
self.assertEqual("Fuel capacity cannot be zero or negative!",
str(context.exception))
def test_car_fuel_capacity__when_value_is_below_0__expect_exception(self):
with self.assertRaises(Exception) as context:
self.car.fuel_capacity = -1
self.assertEqual("Fuel capacity cannot be zero or negative!",
str(context.exception))
def test_car_fuel_amount__when_value_is_above_0__expect_to_change_fuel_amount(
self):
self.car.fuel_amount = 2
self.assertEqual(2, self.car.fuel_amount)
def test_car_fuel_amount__when_value_is_below_0__expect_exception(self):
with self.assertRaises(Exception) as context:
self.car.fuel_amount = -1
self.assertEqual("Fuel amount cannot be negative!",
str(context.exception))
def test_car_refuel__when_fuel_is_above_0_and_fuel_amount_is_not_above_fuel_capacity__expect_to_add_value_to_fuel_amount(
self):
self.car.refuel(5)
self.assertEqual(5, self.car.fuel_amount)
def test_car_refuel__when_fuel_is_above_0_and_fuel_amount_is_above_fuel_capacity__expect_fuel_amount_and_fuel_capacity_to_be_equal(
self):
self.car.refuel(21)
self.assertEqual(self.car.fuel_amount, self.car.fuel_capacity)
def test_car_refuel__when_value_is_0__expect_exception(self):
with self.assertRaises(Exception) as context:
self.car.refuel(0)
self.assertEqual("Fuel amount cannot be zero or negative!",
str(context.exception))
def test_car_refuel__when_value_is_below_0__expect_exception(self):
with self.assertRaises(Exception) as context:
self.car.refuel(-1)
self.assertEqual("Fuel amount cannot be zero or negative!",
str(context.exception))
def test_car_drive__when_fuel_amount_is_enough__expect_fuel_amount_to_be_decreased(
self):
self.car.fuel_amount = 5
self.car.drive(100)
self.assertEqual(0, self.car.fuel_amount)
def test_car_drive__when_fuel_amount_is_not_enough__expect_exception(self):
self.car.fuel_amount = 4
with self.assertRaises(Exception) as context:
self.car.drive(100)
self.assertEqual("You don't have enough fuel to drive!",
str(context.exception))
class TestCar(unittest.TestCase):
def setUp(self) -> None:
self.car = Car('Audi', 'Q8', 6.7, 85)
def test_init_(self):
expected = {
'_Car__make': 'Audi',
'_Car__model': 'Q8',
'_Car__fuel_consumption': 6.7,
'_Car__fuel_capacity': 85,
'_Car__fuel_amount': 0
}
actual = self.car.__dict__
self.assertEqual(actual, expected)
def test_make__set_to_given_value(self):
self.car.make = 'BMW'
expected = 'BMW'
actual = self.car.make
self.assertEqual(actual, expected)
def test_make__raise_Exception_if_given_value_empty(self):
with self.assertRaises(Exception) as cm:
self.car.make = ''
self.assertEqual(str(cm.exception), "Make cannot be null or empty!")
def test_model__set_to_given_value(self):
self.car.model = 'BMW'
expected = 'BMW'
actual = self.car.model
self.assertEqual(actual, expected)
def test_model__raise_Exception_if_given_value_empty(self):
with self.assertRaises(Exception) as cm:
self.car.model = ''
self.assertEqual(str(cm.exception), "Model cannot be null or empty!")
def test_fuel_consumption__set_to_given_value(self):
self.car.fuel_consumption = 6.4
expected = 6.4
actual = self.car.fuel_consumption
self.assertEqual(actual, expected)
def test_fuel_consumption__raise_Exception_if_given_value_less_or_equal_zero(
self):
with self.assertRaises(Exception) as cm:
self.car.fuel_consumption = 0
self.assertEqual(str(cm.exception),
"Fuel consumption cannot be zero or negative!")
def test_fuel_capacity__set_to_given_value(self):
self.car.fuel_capacity = 60.4
expected = 60.4
actual = self.car.fuel_capacity
self.assertEqual(actual, expected)
def test_fuel_capacity__raise_Exception_if_given_value_less_or_equal_zero(
self):
with self.assertRaises(Exception) as cm:
self.car.fuel_capacity = 0
self.assertEqual(str(cm.exception),
"Fuel capacity cannot be zero or negative!")
def test_fuel_amount__set_to_given_value(self):
self.car.fuel_amount = 60.4
expected = 60.4
actual = self.car.fuel_amount
self.assertEqual(actual, expected)
def test_fuel_amount__raise_Exception_if_given_value_less_than_zero(self):
with self.assertRaises(Exception) as cm:
self.car.fuel_amount = -1
self.assertEqual(str(cm.exception), "Fuel amount cannot be negative!")
def test_refuel__raise_Exception_if_given_value_less_or_equal_zero(self):
with self.assertRaises(Exception) as cm:
self.car.refuel(0)
self.assertEqual(str(cm.exception),
"Fuel amount cannot be zero or negative!")
def test_refuel__increase_fuel_amount_by_given_value(self):
self.car.fuel_amount = 60.4
self.car.refuel(20)
expected = 80.4
actual = self.car.fuel_amount
self.assertEqual(actual, expected)
def test_refuel__set_to_fuel_capacity_if_new_value_exceeds_it(self):
self.car.fuel_amount = 60.4
self.car.refuel(30)
expected = 85
actual = self.car.fuel_amount
self.assertEqual(actual, expected)
def test_drive__raise_Exception_if_needed_fuel_exceeds_fuel_amount(self):
with self.assertRaises(Exception) as cm:
self.car.drive(10000)
self.assertEqual(str(cm.exception),
"You don't have enough fuel to drive!")
def test_drive__decrease_fuel_amount_by_given_value(self):
self.car.fuel_amount = 85
self.car.drive(100)
expected = 78.3
actual = self.car.fuel_amount
self.assertEqual(actual, expected)
